| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 30041 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 02 02:32 |
| Time of closest approach (UTC) | 2023 Jun 13 17:50:10.585 |
| Minimum distance | 391.857 km |
| Height difference | 4.979 km |
| Relative speed | 14.620 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 50.9°S, 45.9°E |
| Height | 866 km |
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